Pea and bean huller.



R. P. SCOTT.

PEA AND BEAN HULLER.

APPLICATION FILED 1AN.6, 1915.

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R. P. SCOTT.

PEA AND BEAN HULLER.

APPLlcAnon HL'ED Mme, 1915.

Patented July 25, 1916.

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APPLICATION FILED JAN. 6. 1915.

Patented July 25, 1916.

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PEA AND BEAN HULLER.

APPLICATION FILED IAN. 6. I9I5.

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Patented July 25, 1916.

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PEA AND VVBEAN HULLER. APPLICATION FILED mms, 1915.

Patented July 25, 1916.

8 SHEETS*SHEET 8 N QS 5 now/VISO@ ROBERT P. SCOTT, OF COLUMBUS, OHIO.

PEA AND BEAN HULLER.

Application led January 6, 1915.

To all whom t may concern Be it known that I, Ronnn'r P. SCOTT, citizen of the United States, residing at Columbus, inA the county of Franklin and State of Ohio, have invented certain new and useful Improvements in Pea and Bean .lzlullers, of which the following is a speciiication.

The invention has relation to machines of the type most especially designed for liberating edible seeds, such as peas and beans, from their iiericarps by impact action and without requiring the separation of the pods from the vines, and which machines have the vines fed thereto in mass and discharge the refuse separate from the berries, the latter being delivered into a container or other predetermined receptacle.

The primary purpose of this invention is the provision of a machine for hulling peas, beans, and like product, which is compact and effective in operation and capable of being readily transported from one iield to another, or from one place to another upon the same field, without requiring the olismemberment or taking apart of any of the organized structure, thereby avoiding the labor and loss of time incident to the adjustment of such machines in order to render them portable so as to be conveniently shifted from one location to another.

A further purpose of the invention is to combine with the hulling machine a separater for removing every particle of broken hulls, vines, or the like so that the peas or berries when discharged are in condition for immediate use either' to be canned or marketed, such separator being mounted upon the main frame of the machine and connected to be operated by the actuating mechanism thereof.

A further purpose of the invention is the provision of a pea and bean -huller having the (,iperating parts so arranged as to minimize the handling of the product, the several steps being automatic, the vines, hulls, and like refuse being discharged in one direction and the berries being automatically delivered to the separator and discharged from the latter in a manner to be received in a suitable container.

A further purpose of the invention is to devise a trough of peculiar form arranged to receive the berries from the hulling mechanism and direct such berries to a common point of discharge from which aVr chute e2;-

Specicaton of Letters Patent.

Patented July 25, 1916.

Sera1No.817.

tends to direct the berries into the separator, the trough having an openingthrou gh which a blast of air is directed to carry ofi' small pieces of hulls, vines, and like refuse.

The invention furthermore is designed to provide unique means for imparting a vibratory or jigging motion to a shoe forming part o-f the separator, such mechanism being constructed to equalize the strain and avoid any possible binding of the moving parts which would tend to detract from the efficiency of the machine andV incur a material loss of power.

A further purpose of the invention is the separator which is compact, relatively light in structure, readilyl transportable and capable of being driven by any suitable motive power, such as a motor-vehicle, or portable engine.

A further purpose of the invention is the arrangement of the driving mechanism so as to distribute the load throughout the machine and to arrange the parts whereby access may be readily had thereto for repairs, inspection or other desired purpose.

While the foregoing calls attention to some of the principal objects of the invention it is to be understood that other purposes and advantages will appear and suggest themselves as the nature and details of the invention are understood and to this en d reference is to be had to the drawings hereto attached, taken in connection with the following description.

Figure 1 is a side view of a bean and pea huller and separator embodying the invention. Fig. 2 is al front view of the machine as it appears'in operation. Fig. 3 is a rear view. Fig. 4 is a transverseisection on the line 4 1 of 1. Fig. 5 is a diagrammatic view of the operating mechanism. Fig. 6 is an enlarged vertical central longitudinal section of the separator. Fig. 7 is a perspective view of the means for imparting a vibratory movement to the separating shoe. Fig. 8 ,is a side view of a machine embodying the invention, the feeder. elevator and separator being omitted.l Fig. 9 is a front view of the same. Fig. 10 is a section on the line 10--10 of Fig. 8 looking cated in all the views of the accompanying drawings by the same reference characters. The framework is mounted upon a front axle A and a rear axle A1, the front axle being provided with wheels A2 and the rear axle with wheels A3. The treads of the wheels A2 and A3 are broad so as to prevent Vtheir sinking in soft ground when the machine is at rest or is traveling from one place to another. The framework is of such construction as to insure a compact arrangement of the parts which is essential to the provision of a machine which may be practically portable so as to be easily moved from one field to another or from one place to another upon the same field. As shown, the framework comprises longitudinal sills B, upper side beams B1, intermediate side beams B2, a plurality of uprights B3 and transverse beams B4 and B5. The upper portion of the framework is closed at its ends and sides so as to protect the hulling mechanism an-d form an inclosure for retaining the berries when liberated from the pods. The sides of the framework are indicated at B6. These sides are comprised between the upper and lower side beams B1 and B2. The front wall is designated by B7 and the rear wall by BS. It is to be understood that the framework inay be constructed of any material.

The hulling mechanism is mounted within the framework and comprises concentric drums C and D,both mounted for rotation. The outer drum C is adapted to receive the mass of vines containing the pods from which the berries are to be liberated. The drum D constitutes the liuller proper since it threshes or beats the pods and opens the same and releasesthe seeds. The drum C is mounted on travelers E and is prevented from vertical movement at its front end by means of a traveler El. The drum is provided with external circular tracks C1 which engage the respective travelers E. The

Vdrum C is open throughout its length and is provided upon its inner wall with a plurality of ribs C2 which constitute lifters for elevating the mass of vines containing the pods to be hulled. A rotary screen F is connected with the rear end of the drum C and forms a continuation thereof, such rotary screen serving to remove any berries that may be carried from the drum C in the discharge of the refuse therefrom, such berries being gathered in any manner. The refuse consisting of the vines and broken hulls is discharged from the rear end of the screen F and is received by an elevator G which delivers the saine-to one side of the machine.

The drum C may be of any construction such ablebearings .provided at the ends of the main frame. rlhis drum may be of any formation according to the design of the machine and is provided upon its exterior with a plurality of beaters D1 which have a helical arrangement to positively feed the material through the drum C. The beaters Dl may be of any formation such as generally employed to operate'by impact in pea and bean hulling machines of the type to which this invention appertains. Vhile the finger beaters work `more or less by the old impact process the fingers do not present an even smooth surface but an uneven or rough surface which tends to bend f the podand break it as disclosed in a former patent granted to me.

As shown, the drum D is hollow and is closed atits front and by means of a circular head D2 which fits snugly within a circular opening formed in the end B7. The shaft H is provided at its front end with a sprocket gear H1, and near its rear end with a sprocket wheel H2 which is loose upon the shaft and is adapted to have the power applied thereto 3 for driving the machine. The clutch lH3 is splined upon the shaft H and is adapted to coperate with the sprocket-wheel H2 to cause the shaft H and sprocket wheel H2 to rotate in unison. operating the clutch H2 and may be connected with such clutch in any ordinary manner.

Shafts J and J1 are located upon opposite sides of the framework and extend lengthwise thereofand are provided at their front j ends with sprocket wheels J 2. One of these shafts is connected with the traveling meniber of the elevator G and both of such shafts are connected for simultaneous rotation by means of a sprocket chain J 3, the same passing over .the sprocket wheel H1, around and beneath the sprocket wheels J 2 and over a sprocket wheel J 4, secured to the outer end of a shaft J 5 upon which the upper traveler El is secured. In this manner the several shafts J, J land J 5 are positively rotated together' with the travelers E and E1 fastened thereon. As a result the outer drum C is positively rotated. The lower run of the sprocket chain J 2 passing over the sprocket movement is imparted to the shaft H from 1'.

a suitable 'source of power by means of a sprocket chain K which passes around the sprocket wheel H2. For convenience of illustration a motor vehicle K1 is illustrated as the motive power, the engine shaft K2 .thereof being provided with a sprocketwheel Kgaround which the sprocketchain K. passes. It is to be understood that a portable motor of any type may be utilized for operating the machine and a belt tight- A lever I is provided for lilo' 'ener K4 cooperates with the sprocketchain: theV bottom 'of the trough has its endy por- K to take up any slack therein.

A feede'r is arranged at the front of the `machine in advance of the hulling mechanism for receiving the mass of vines containing the pods to be hulled. This feeder is mounted upon front extensions of the side sills B and comprises a table L and a plurality of endless chains L1 supported upon shafts L2 and L3 arranged kat opposite ends of the table L and mounted in suitable bearings. Each of the endless chains L1 is provided with a plurality of fingers L4 which engage the material and move the same over the table L into the receiving drum C. The ngers LAr are rearwardly curved with reference to their direction of travel when advancing the material tothe hulling mechanism. The shafts L2 and L3 are provided with sprocket wheels L5 which form supports for the endless chains L1. The feeder is arranged with reference to the drum C to insure delivery therein of the material after the latter is discharged from the table L by means of the endless chains. For this purpose, the end wall B7 is provided in its lower' portion with an opening D through which the material passes, as indicated most clearly in Fig. Q. The tableL may be of any construction and is provided at its sides with guards to prevent the material falling therefrom and is formed intermediate of its longitudinal edges with slots for the passage of the lingers L4. The inner end of the table is upwardly deflected at LG to form a stripper to clear the material from the fingers L4 and prevent such fingers from carrying the material downward around the inner shaft L2. This is indicated most clearly in Fig. (3 which shows the portion LG of the table curved upwardly and rearwardly to a height to insure the removal of the material from the fingers as the latter travel rearward and downward at the inner end of the table. The shaft L3 is provided at one end with a miter gear L7 which meshes with a miter gear LR fastened to a longitudinal shaft L. The sprocket-wheel Ln sen cured on the shaft Ln is connected by means of a sprocket chain Ln with a sprocket wheel Lh secured to the forward end of the shaft J. By this means the shaft L3 receives motion from the shaft J. The shaft L2 is positively driven by means of the endless chains L1 which connect the two shafts VL3 and L2 by passing around the sprocket wheels L5 secured to such shafts. The shaft L2 is extended and is pro-vided at its outer end with a sprocketwheel L from which power is taken for operating the separator.

Beneath the hulling mechanism is located a trough M which is comparatively narrow and of a length corresponding with the lengthof the druml C. The side walls of the trough M are preferably parallel and tions oppositely inclined, as indicated most clearly in Fig. l, and leading into a centrally disposed spout M1 whose bottom is transversely inclined to direct the berries laterally into a chute N which extends transversely and is outwardly and downwardly inclined. Plates M2 are disposed at opposite sides of the trough M and curve upwardly and outwardly and are joined at 'their upper longitudinal edges to the side walls B2. The lower edges of the plates M2 extend over the upper edges of the side walls of the trough M and* curve downwardly to insure delivery of the berries into the trough. The' plates M2 conform to the circumference of the drum C and are adapted to receive the berries as they are hulled and pass outward through the openings in the wall of the drum C. The plates M2 and trough M unitedly form in effect a pan for catching the berries as they escape through the openings in the wall of the drum7 so as to gather such berries and direct them into the chute N. The trough M and side plates M2 may be attached to the framework of the machine in any convenient and substantial way.

The separator is located at one side of the machine and comprises a drum 0 which is mounted to rotate upon travelers P. The drum O is provided at opposite ends with circular tracks O1 which are fianged to engage the travelers P and prevent longitudinal movement of the drum. The wall of the drum is formed with openings to provide an escape for small' particles of vines, hulls and like refuse. The drum is open throughout its lengthand is formed at its inner end with an inwardly extending flange O2 and at its outer end with an inner liange O3, such anges being designedy to retain the berries within the drum during the cleaning process. A flange O4 is arranged near the outer end of the drum and is spaced from the flange O3 a short distance. The flange O4 projects inwardly to a greater extent than the flange O3. The space formed between the two inner fianges 03 and Otis indicated at O5. Ribs or flights OG and O7 project inwardly from the wall of the drum and constitute lifters for elevating the berries and dropping the same into the separating shoe. The flights O7 are comparatively short and are arranged in the space O5. The iiights OG are relatively long and are disposed near the flange O4. The drum ing connected by means of a sprocket chain P4 whereby movement imparted to one of the shafts is transmitted to the other. A sprocket-wheel P5 secured upon the shaft P2'is connected by means of a sprocket chain P6 ywith the lsprocket wheel L of the shaft L2 and in this manner movement is transmitted from the shaft L2 to the shaft P2, thence to the shaft Pl by means of the gearing disclosed thereby rotating the drum mounted upon the travelers P. The shafts P1 and P2 are mounted in suitable bearings carriedby the framework Q,

The separating shoe for removing the last trace of any foreign matter from the berries is located within the upper portion of the drum O and is mounted in any way to admit of a vreciprocating or jigging movement being imparted thereto so as to facilitate the operation of removing foreign particles from the berries. The shoe comprises a frame R which is arranged at an inclination to the horizontal so'as to cause the materialto move thereover by gravitative action. The frame of the shoe has a projecting portion which extends beyond the outer end of the drumk O so as to deliver therefuse at a safe distance from the separator. The frame R is closed at its bottom by means of a screen R1, the openings of which are of a size to prevent the passage therethrough of the berries. The screen bottom R1 terminates at its outer end about in the plane of the outer end of the drum O and makes connection with a vertical wall R2 which depends from the bottom R1 and terminates at its lower end a short distance from the lower wall of the drum O. A second wall .R1 is disposed outward from the wall R2 and is spaced ,therefrom and projectsupward to a` greater height than the wall R2 so as to arrest the berries and cause the same to pass downward into the space R4 formed between the two walls R2 and R3. The lower end of the wall R3 projects below the lower end of the wall R2 and terminates in lan inwardly extending lip R5 which directs ythe berries into the space O5 and awa-y from the Range O3. A lsecond screen RG is arranged above the bottom screen R1 and the openings therein are of a size to admit of the berries passing readily therethrough. The screen RG serves to remove refuse or foreign matter from the berries during the cleaning operation. The separating shoe has a longitudinal reciprocatory or jigging movement .imparted thereto.

Rods S are connected at their outer ends to a cross-bar S1 attached to the projecting end of the frame R and extend laterally beyond the sides of such frame to enable the rods S to clear the frame. The inner yrear ends of the rods S are attached to bars S2 kwhich extend transversely of the machine and are supported at their inner ends in the spring S4.

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vibratory movement imparted thereto and this movement is transmitted tov the bars S2 and rods S and imparts a corresponding movement to the separating shoe. Each of the links S5 is provided with a rearwardly extending member S6 which is pivoted thereto and has its rear end forked to receive the shaft J. Each of the extensions S6 is formed with a vertical shoulder-S7 which is adapted to be engaged vby means of tappets Ss projecting laterally from a cross bar S9 secured to the shaft J so as to rotate therewith. As the shaft J rotates the tappets S9 engage the shoulder S7 and move the parts SG outward against the tension of When the tappet S8 clears the shoulder S7 the spring S4 draws the bar S2 inward.

A fan blower T is located upon the opposite side of the machine to the separator Vand such fan blower comprises a casing and fan, the latter being secured to a shaft T which parallels the shaft J1 and is disposed The fan shaft T is mounted in suitable bearings and has a sprocket-gear T2 fastened thereto and arranged to engage a run of the sprocket chain K by means of which motion is imparted to the shaft T1 for operating the blower. A spout T3 extends from the fan casing and connects with the near side wall o-f the trough M. The spout T3 is Vinterrupted opposite the trough M and continues beyond the opposite side of such trough and connects with a chamber T4 which inclines upwardly and laterally and terminates opposite the inner ends of the separating screens R1 and RG so as to deliver a blast of airacross the separating shoe to carry ofi' light particles of foreign matter. The chamber T1 constitutes an extension ofthe spout T3 and ares toward its delivery end to insure the discharge of the air blast ina manner to carry off the light particles from the berries.

In the operation of the machine, the vines containing the pods from which the berries are to be liberated are placed inl mass upon the table L and are fed to the hulling mechanism by means of the feeder chains L1. The vines after reaching the inner end of the table L are received in the drum C and are elevated by means of the lifters C2. As the vines drop from anl elevated position, they are acted upon by means of the beaters D1 of the inner or hulling drum yD'and the impact of such beaters breaks the hulls and liberates the berries therefrom.l The' vines are moved through the drum Cby the .ac-

v of the drum G and are received upon the wings or plates M2 of the pan arranged be-V neath the hulling mechanism. The berries pass from the wings or plates VM2 into the trough M andcollect inthe spout M1 and f discharge therefrom onto the chute N which y deliver the berries into the drum O. As the berries pass from the wings or side plates.

M2 into the trough M they are subjected to a blast of air from the fan blower and this blast of air drives o the greater part of the small pieces of hulls, vines and the like which escape from the drum C together with the berries. After' the berries have yentered the drum O they are subjected to a movement by reason of the rotation of such drum which acts to further remove small foreign particles of broken hulls, stems, vines and the like, such foreign mattei' escaping through the 4openings formed in the wall of the drum O. After the berries pass to the outer portion ofthe drum O, they are' engaged by the flights O which elevate the same and drop the berries into the shoe, such berries being received upon the screen R6 and passing therethrough to the screen bottom R1. As the berries drop from the upper portion of the drum they are subjected to a blast of air delivered from the spout T4, which carriesoff the last traces of any foreign mattei' that may have escaped the previous cleaning steps. The berries received o n the screen bottom R1 gravitate outwardly and downwardly to the space R4 which constitutes a passage through which the berries are directed into the space O5 formed at the outer end of the drum O. After the berries have entered the space O5 they are again elevated by means of the flights or lifters O7 and are dropped upon a chute U by means of which they are discharged from the machine to be received in a suitable vessel arranged for the reception of the berries which are now in condition either to be canned or marketed. The chute U is attached to a portion of the frame Q and its inner end is bent upwardly to come close againstthe -outer wall of the inner flange O4 thereby preventing any of the berries from escaping over the upper end of the chute after being discharged thereon. The vines, broken hulls, and other refuse pass through the drum C and are finally discharged from ythe rear endof the screen F and dropped into the elevator G and are carried upward and discharged at one side of the machine in any desired way.

It will be understood from the foregoing taken in connection with the accompanying .drawings that the machine while comparatively light is compact and e'ective for the purpose designed and is readily transportable since it is mounted upon broad tread wheels which preventy the sinking of the wheels in soft land and such wheels forming a i'irm supportfor the machine when in operation.

VVhile the drawings illustrate an embodiment of the invention itis to be understood that various changes Vin the construction and arrangement of parts may be resorted to within the scope of the appended claims without departing from the nature of the invention.

It should be stated that I do not claim broadly the idea of simply attaching wheels v to an agricultural or other machine would be invention, but I do claim that in this art, there are many conditions of such an unusual character as to require invention in making my machine easily transportable and practical for the work required. Heretofore such machines have always been taken apart, transported by wagons and set up again at some desired point. This is for the reason that in order to have any capacity the machines have been made very heavy and necessarily unwieldy.

In my new portable machine I have had to change many parts and generally decrease the size of parts which has been difficult in view of the fact that if the capacity were decreased to any material extent, the machine would be inoperative in the art. Many of the changes have been the subject of other appliances with no mention of portability. This is for the reason that the features involved were often as useful improvements in a stationary machine as in a portable ma chine, but it has been necessary to keep the idea of portability constantly in view. Then again I have had to change the parts considerably when I came to place the machine on wheels.

One of the changes I have had to make has been the shortening of the central section of the machine and lengthening to rear extension. My object is to retain the same length in total and also to be able to get the wheels closer together in order to turn shorter corners. The use of very broad wheels has been found necessary in sandy or rough country so as to span the ruts and not upset.

Figs. 8, 9, and 10 show the simplest form of the invention and emphasize the disposition of the supporting wheels with reference to the main frame and the working parts mounted thereon, such views clearly demonstrating the simplicity of the invention and the arrangement of parts whereby the machine is rendered easily transportable so as to be shifted from one place to another according to the location of work. The parts illustrated .the other views, such as the feeder, separator, elevator and propelling power have been omitted, thereby emphasizing the relationship of the Wheels to the main frame which is considered as an essential feature 'of the present invention. Y

VHaving thus described the invention what is claimed as new is l.. In a hulling machine, a wheel supported frame embodying lowerside beams, front uprights disposed in the rear of the forward ends of the lower side beams, and pairs of rear uprights, a hulling mechanism arranged between the front uprights and the first pair of uprights at the rear of the machine, a cleaner disposed in the rear of the hulling mechanism and between the rear pairs of uprights, front wheels arranged in advance of the front uprights, and rear wheels mounted upon the rear portions of the Vside beams between the rear pairs of uprights and directly below the cleaner.

2. In a hulling machine, a main frame and an under frame, the latter embodying a middle and side longitudinal beams, front uprights and rear pairs of uprights connecting the under frame with the main frame, the longitudinal beams of the under frame projecting forward of the front uprights, a hulling mechanism arranged between the front uprights and the first pair of uprights at the rear of the machine, a cleaner disposed in the rear of the hulling mechanism and between the rear pairs of uprights, a front axle operatively connected to the middle longitudinal beam and having its ends under-lapping the side beams, wheels mounted upon the ends of the 'axle betweenl theforward extensions of the middle and side beams, a rear axle supported by the vrear ends of the longitudinal beams' at a point between the rear pairs of uprights, and wheels mounted uponA end portions of the rear axle and disposed within the side v beams.

3. A machine of the character specified comprising a main and an underframe, the latter' comprising longitudinal side beams, front uprights and rear pairs of uprights connecting themain frame with the under frame, a hulling mechanism mounted upon the main frame between the front and the first pair of rear uprights, a cleaner mounted upon the main frame between the rear pairs of'uprights, front wheels disposed in advance of the front uprights and rear wheels disposed between the rear ends of the side beams and between the rear pairs of uprights comprising the rear pair and arranged directly below the cleaner. Y

Ll. A hulling machine' comprising a main frame embodying front up'rights, rear pairs of uprights andA lower longitudinal side beams having their front ends'extended forward of the front uprights, a hulling mechanism disposed between the front uprights and the rear pairs of uprights, a cleaner arranged between the rear pairs of uprights,

a separator located wholly at one side of the maink frame, front wheels mounted upon the front extensions of the lower side beams in advance of the front uprights andr between the forward extensions of the side beams, and rear wheels mounted upon the rear ends of the side beams between such beams and the rear pairs of uprights directly below the cleaner.

5. In a machine of the character set forth, a framework, a hulling mechanism vmounted upon the framework, a separator located at one side of the framework and connected thereto and supported thereby, means for collecting the berries after they are hulled and directing the same into the separator, and independent means for delivering the clean berries and the refuse from the separator.

G. In a machine of the character specified, a framework, a hulling mechanism mounted upon the framework, a separator projecting laterally from the framework and supported thereby, means for collecting the berries from the hulling mechanism and delivering the same into the separator, and means for directing a blast of air through the separator.

7. In a machine of the character set forth, the combination of a framework, a hulling mechanism mounted upon the framework, a separator projecting laterally from the framework, av pan `for receiving the berries from the hulling mechanism and embodying a trough having a discharge, a chute extending from-thetrough to direct the berries into the separator, a fan blower and a spout leading from the fan-casing into the separator for directing a blast of air through the cleaning means of the separator.

In testimony whereof I aiiix my signature in presence of two witnesses.

ROBERT P. SCOTT.

Witnesses:

Trios. TSVAGE, POWELL MAHoNE.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patel-its, Washington, D. c. 

